19346+1808 STT 375

 
 
19h 34m 37.45s +18 07' 41.2" P.A. 188.5 sep 0.6 mag 7.72,8.88 Sp G5 dist. 233.64 pc (762.13 l.y.)
 
 
Coord 2000
19346+1808
Discov num
STT 375
Comp
Coord arcsec 2000
19 34 37.45 +18 07 41.2
Date first
1843
Date last
2017
Obs
106
Pa first
120
Pa last
189
P.A. Now (θ)
188.5°
Sep first
0.6
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
7.72
Mag sec
8.88
delta mag (ΔM)
1.16
Spectral class
G5 (yellow)
Pri motion ra
+021
Sec motion ra
+021
Pri motion dec
+021
Sec motion dec
+021
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
188.7
Precise sep
0.592
Constellation
Sagitta
HIP
96280
Tycho2
1605-01335-1
HD
184591
ADS
12623
Distance
233.64
Distance ly
762.13
last precise pa
188.7
last precise sep
0.592
 
 
ORBITAL ELEMENTS
 
 
Period (P)682y Periastron (T)2271.2y Semi-major axis (a)0.521a
Eccentricity (e)0.2 Inclination (i)24° Longitude of periastron (ω)159.4°
Node (Ω)177.7° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2011
label rho theta
2000 0.610 182.2
2001 0.610 182.5
2002 0.609 182.8
2003 0.609 183.2
2004 0.608 183.5
2005 0.607 183.9
2006 0.607 184.2
2007 0.606 184.6
2008 0.606 184.9
2009 0.605 185.3
2010 0.605 185.6
2011 0.604 186.0
2012 0.604 186.3
2013 0.603 186.7
2014 0.602 187.0
2015 0.602 187.4
2016 0.601 187.7
2017 0.600 188.1
2018 0.600 188.5
2019 0.599 188.8
2020 0.598 189.2
2021 0.598 189.5
2022 0.597 189.9
2023 0.596 190.3
2024 0.596 190.6
2025 0.595 191.0
2026 0.594 191.3
2027 0.593 191.7
2028 0.593 192.1
2029 0.592 192.4
2030 0.591 192.8

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





wds19346%2B1808a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19346+1808 STT 375 2005 98 185 0.6 7.72 8.88 G5 D 193437.45+180741.2
19346+1808 STT 375 2006 100 183 0.6 7.72 8.88 G5 D 193437.45+180741.2
19346+1808 STT 375 2007 102 183 0.6 7.72 8.88 G5 N D 193437.45+180741.2
19346+1808 STT 375 2009 103 184 0.6 7.72 8.88 G5 N D 193437.45+180741.2
19346+1808 STT 375 2011 108 186 0.6 7.72 8.88 G5 N 193437.45+180741.2
19346+1808 STT 375 2013 104 188 0.6 7.72 8.88 G5 NO 193437.45+180741.2
19346+1808 STT 375 2016 105 188 0.7 7.72 8.88 G5 NO 193437.45+180741.2
19346+1808 STT 375 2017 106 189 0.6 7.72 8.88 G5 NO 193437.45+180741.2

If you need more information about this double, apply for a data request form to the WDS.